Home / 1,500,589.67-2,071,075.50-889,086.78

Finding the Fourth Proportional to 1,500,589.67, 2,071,075.50 and 889,086.78

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Solution

The fourth proportional to 1,500,589.67, 2,071,075.50 and 889,086.78 is: 1,227,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,589.67 : 2,071,075.50 = 889,086.78 : x
  2. Step 2: Convert to fraction form
    1,500,589.67/2,071,075.50 = 889,086.78/x
  3. Step 3: Cross multiply
    1,500,589.67x = 2,071,075.50 × 889,086.78
  4. Step 4: Simplify right side
    1,500,589.67x = 1,841,365,847,431.89
  5. Step 5: Solve for x
    x = 1,841,365,847,431.89/1,500,589.67
  6. Step 6: Final answer
    x = 1,227,094.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.